28431208

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1237}}^1$

素因数の和:1286

約数の個数: 48

約数和(自身を含む): 61169580

約数和(自身を除く): 32738372

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 169, 221, 338, 442, 676, 884, 1237, 1352, 1768, 2474, 2873, 4948, 5746, 9896, 11492, 16081, 21029, 22984, 32162, 42058, 64324, 84116, 128648, 168232, 209053, 273377, 418106, 546754, 836212, 1093508, 1672424, 2187016, 3553901, 7107802, 14215604, 28431208]

約数ペア:

[(1, 28431208), (2, 14215604), (4, 7107802), (8, 3553901), (13, 2187016), (17, 1672424), (26, 1093508), (34, 836212), (52, 546754), (68, 418106), (104, 273377), (136, 209053), (169, 168232), (221, 128648), (338, 84116), (442, 64324), (676, 42058), (884, 32162), (1237, 22984), (1352, 21029), (1768, 16081), (2474, 11492), (2873, 9896), (4948, 5746)]